15.10 - Session Limits - Parallel Transporter

Teradata Parallel Transporter Application Programming Interface

Parallel Transporter
Programming Reference

Session Limits

The values that you specify with the Stream driver TD_MIN_SESSIONS and TD_MAX_SESSIONS attributes are not the only factors that limit the number of sessions that the Stream driver establishes with the Teradata Database.

The other limiting factors are:

  • The platform limit on the maximum number of sessions per application. This value is defined in the COP Interface software file, CLISPB.DAT, under the max_num_sess variable.
  • You can use the TDP SET MAXSESSIONS command to specify a platform limit. The default TDP MAXSESS value is 1024 sessions.

  • The limit of the network protocol software on network-attached systems. When the Stream driver executes, the actual session limit is determined by whichever limiting factor is encountered first.